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The size and development of the shadow economy:
An empirical investigation from states of IndiaB
Kausik Chaudhuri a,*, Friedrich Schneiderb,1, Sumana Chattopadhyay c
a IGIDR, Mumbai, Indiab Department of Economics, Johannes Kepler, University of Linz, Altenbergerstrasse 69, A-4040 Linz-Auhof, Austria
c University of Missouri, Columbia, USA
Received 2 January 2003; accepted 1 February 2005
Abstract
Using the state level data from India, this paper investigates the size of the hidden economy in Indian
states over the period 1974/75 to 1995/96. Our analysis has shown that after liberalization of the Indian
economy in 1991/92, the growth in the size of the hidden economy has decreased on an average. Our results
show that the growth in the size of the hidden economy is approximately 4% less in scheduled election
years than in all other years. We also demonstrate that the growth is significantly lower in those states where
the coalition government is in power. An increased growth of newspapers and the literacy rates translate to
cleaner governance, e.g. to fewer amounts of shadow economy activities in the economy.
D 2005 Elsevier B.V. All rights reserved.
JEL classification: O17; D78; Hll; H26
Keywords: Shadow economy of Indian states; Tax burden; Governance; Political economy of the shadow economy
1. Introduction
Economists and social scientists have shown considerable interest in recent years to measure
the gap between the observable and the actual. This has led to the conceptualization of the
0304-3878/$ - see front matterD 2005 Elsevier B.V. All rights reserved.
doi:10.1016/j.jdeveco.2005.02.011
B We would like to thank an anonymous referee for suggesting changes that greatly improved the quality of the paper.
Thanks are also due to Prof. Mark Rosenzweig, The Editor of the journal.
* Corresponding author.
E-mail addresses:[email protected] (K. Chaudhuri), [email protected] (F. Schneider).URL: http://www.econ.iku.at/Schneider/ (F. Schneider).
1 Tel.: +43 70 2468 8210; fax: +43 70 2468 8209.
Journal of Development Economics 80 (2006) 428443
www.elsevier.com/locate/econbase
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dhidden economyT, although several synonyms such as black, shadow, underground, unobserved,
unofficial, unrecorded, and parallel were used for the dhidden economyT. In general, it tries to
capture the activities beyond measurement by official activity.2 The hidden economy consists of
legal and illegal activities outside the reach of the government.
3
Empirical estimates demonstratethat underground activities have been on the rise since the 1970s when the presence of
government activity became stronger in the economies around the world. With increase in tax
rates to finance larger public spending programs, the desire to escape taxes and regulatory
restrictions also gained in prominence (Tanzi and Schuknecht, 1997). Popular print-media
articles were also ready to accept the notion that the underground economy had increased
significantly over the years. Given such media attention, the nexus of the black economy into the
public glare has created a consciousness about the gravity of the phenomenon all over the world.
Given the importance of the phenomenon, the next question that naturally arises is regarding
the definition of the hidden economy. Tanzi (1999) suggests that the shadow economy crops up
because of presence of activities that are difficult to measure and tax, like household work andalso criminal and illegal activities. Schneider (1986) sums this point by defining the underground
economy as ball economic activities that contribute to the value added and should be included in
national income in terms of national accounting conventions but are presently not registered by
national measurement agenciesQ. Bhattacharyya (1999) describes the hidden economy as
reflected by the unrecorded national income bcalculated as the difference between the potential
national income for the given currency in circulation and the recorded national incomeQ.
Bagachwa and Naho (1995) consider it as a combination of informal (small-scale production and
distribution units), parallel (illegal production of legal activities) and black market activities
(production and distribution of market and non-market goods forbidden by the government).
Acharya (1985), in the Indian context, refers to the black economy as bthe aggregate of incomeswhich are taxable but are not reported to the tax authorities Q and also bthe extent to which
estimates of national income and output are biased downwards because of deliberate, false
reporting of incomes, output and transactions for reasons of tax evasion, flouting of other
economic controls and related motivesQ. A commonly used working definition is: all currently
unregistered economic activities, which contribute to the officially calculated (or observed)
Gross National Product.4 Smith (1985, p. 18) defines it as bmarket-based production of goods
and services whether legal or illegal that escapes detection in the official estimates of GDP Q.
The above discussion suggests that the shadow or hidden economy deals with the portion of
the income earned from legal and illegal activities that cannot be accounted for by the standard
measurement procedures used in compilation of national income accounts. We, in this paper,adopt this as a relatively broad definition of the dunderground economyT.
In this paper, we try to estimate the size of the hidden (shadow) economy for fourteen major
states of India over the period 1974/75 to 1995/96 using a multiple indicator multiple cause
(MIMIC) model. Given the estimates of the size of the shadow economy, we also offer an
empirical investigation to determine the role of socioeconomic, political and institutional factors
2 See the Economic Journal, vol. 109, no. 456, June 1999 the feature bControversy: on the hidden economyQ.3 The literature about the bshadowQ, bundergroundQ, binformalQ, bsecondQ, bcashQ or bparallelQ, economy is increasing.
Various topics, on how to measure it, its causes, and its effect on the official economy are analyzed. See for example,
survey type publications by Frey and Pommerehne (1984); Johnson et al. (1997, 1998); Lippert and Walker (1997);
Loayza (1996); Pozo (1996); Schneider (1994a,b, 1997, 1998, 2005) and Thomas (1992); and for an overall survey of the
global evidence of its size in terms of value added Schneider and Enste (2000, 2002).4 This definition is used for example, by Feige (1989, 1994), Frey and Pommerehne (1984), and Lubell (1991) and
Schneider (1994a, 2005).
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explaining the size of the hidden economy. Our approach thus demonstrates the importance of
policy actions in increasing government responsiveness to curb the size of the hidden economy.
We particularly emphasize on the role of election, nature of the governments, literacy, mass
media, and the impact of liberalization in this context. Kaufman (1999) considers knowledge andinformation; leadership and collective action can be used as the prime weapons to tackle
corruption. Sta penhurst (2000) provides a brief link between an active media and the
amelioration of corruption as also the shadow activities of the economy. Djankov et al.
(2002) demonstrate that the government ownership of the media is generally associated with less
press freedom, fewer political and economic rights, and, most importantly, inferior social
outcomes in the areas of education and health. Ahrend (2002) provides strong empirical
evidence that suggests that strengthening press freedom should be among the priorities fighting
against corruption. Dyck and Zingales (2002) discuss the role of the media influencing corporate
policy.
India provides an interesting framework. India has been a democracy since 1947. Periodicelections to the national and state legislative assemblies have taken place since 1952. There is a
relatively free and independent press with significant time-series and cross-sectional variation.
Using these data, we are able to examine a connection between the development of mass media,
political and institutional factors and government actions to cater the needs of the citizens. In this
connection, our paper can be viewed in line with the growing literature that uses data from India
to examine the role of institutional and political factors to explain government responsiveness.
Besley and Burgess (2000) demonstrate that party ideology affects public policy: the cumulative
land reforms passed in a given state-year depend on the 4-year lagged state legislative assembly
seat shares of different political groups. Besley and Burgess (2002) show that state governments
are more responsive to falls in food production and crop damage in those states where newspapercirculation is higher and electoral accountability is greater. Banerjee and Iyer (2004) document
that differences in historical institutions lead to very different policy choices, and hence to
differences in economic outcomes. Iyer (2004) demonstrates that areas under direct British rule
have significantly lower levels of public goods in the present period. Hoff (2003) provides a
survey relating institutional developments and its impact on economic growth. However, none of
the above-mentioned papers has addressed the issue of the size of the unofficial economy in the
Indian state context. Our paper is an attempt in this direction.
The Wanchoo Committee Report (Government of India, Ministry of Finance, 1971, p. 6) was
the first to draw attention on the shadow economy in India. They referred to the phenomenon as
a bcancerous growth in the countrys economy which if not checked in time, will surely lead toits ruinationQ. The Venkatappiah Committee Report (Government of India, 1974), which focused
on the self-removal of excise taxes also feltbfree to confess that we are not prepared for, and are,
therefore, painfully surprised at, the range, diversity and, in certain segments of production,
almost the universality of the evasion, which is practiced by those who produce the goods Q.
Besides taxes, the extent of regulation present in the economy in the form of industrial licensing,
import licensing, controls on prices and distribution channels of goods and services, credit
controls and other measures can encourage the proliferation of the hidden economy. The Dagli
Committee Report (1979) highlighted this phenomenon.
The remaining parts of the paper are organized in the following manner. The next section
presents a brief review of the literature for estimation of the size of the hidden economy. Section
3 discusses the estimation methodology. Section 4 is divided in to three subsections: the first
subsection lists out the basic data variables used in the analysis, the second one document the
nature of the hidden economy estimates obtained by the used methodology, and the last deals
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with the role of political and institutional factors explaining the size of the hidden economy.
Section 5 concludes.
2. Methods of measuring the hidden economy
Our study is different from the earlier underground economy studies conducted in the Indian
context by Gupta and Mehta (1981), Chopra (1982), Acharya (1985), Bhattacharyya (1999), and
Bhattacharyya and Ghose (1998) in the following way:
1) While Acharya (1985), Bhattacharyya (1999), and Bhattacharyya and Ghose (1998) used
traditional cash demand estimation methodology, which has been criticized in the literature
for its focus on just one facet of the hidden economy, this work uses the MIMIC model.
Gupta and Mehta (1981) have used a physical input approach where as Chopras method is in
close line with the one suggested by Kaldor (1956).5
2) The uniqueness of the study hinges on the fact that it addresses the crucial question: Does an
increase in the presence of civic institutions like media have a contractionary effect on the
size of the hidden economy of a democracy like India?
In this paper, we attempt to estimate the hidden economy by multiple indicator multiple cause
approach (MIMIC). Frey and Week-Hannemann (1984) were the first to employ this
methodology for the estimation of the hidden economy of a cross-section of 17 OECD
countries for the period of 196078. They borrowed from the statistical theory of unobserved
variables developed by the likes of Zellner (1970), Goldberger (1972) and Joreskog and
Goldberger (1975) which considers multiple causes and multiple indicators of the phenomenonto be measured and used a factor-analytic approach to measure the hidden economy as an
unobserved variable over time. The unknown coefficients are estimated separately through a set
of structural equations with the indicator variables being used to capture the effect of the
unobserved variables indirectly. Frey and Week-Hannemann (1984) provided a ranking of
OECD countries based on the size of their underground economies. In the late 1970s,
Scandinavian and Benelux countries were seen to have very large hidden economies followed by
US in the middle rank and then by Switzerland and Japan, which exhibit very small sizes of
underground activity for that period. Also growth rates wise, Denmark, Belgium, and Italys
hidden segment seem to have grown at an above average pace while Canada, UK and USAs
hidden economy was found to be below the average rate. Another study by Aigner et al. (1988)uses a variant of the MIMIC approach the DYMIMIC (the dynamic multiple-indicators
multiple-causes approach) to assess the size of the US hidden economy for the period 1939
1982. The results of this study have found a peak in the US hidden economy size around 1943
44 and a trough in 196768.
In recent years, a lot of work has been done using the unobserved or latent variable approach,
particularly in the context of New Zealand and Canada. Giles (1999a,b), Giles and Caragata
(2001), and Giles and Tedds (2002) have used the time series data for the New Zealand and the
Canadian economy, to arrive at hidden economy estimates, using the MIMIC approach. To the
best of our knowledge, this is the first attempt to estimate the size of the hidden economy using
MIMIC model in the Indian context.
5 Kaldor (1956) tried to estimate the size of the hidden economy in India, by estimating the income that avoided the
income tax.
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3. Estimation methodology
This section describes in brief the MIMIC variable approach. The MIMIC model actually is a
variant of the LISREL (linear independent structural relationships) models of Joreskog andSorbom (1993a,b) and others that can only yield a time-series index for the latent variables: an
ordinal index. We need to convert ordinal index into a cardinal series of values of hidden
economy sizes by scaling up the ordinal values to some cardinal value that has been obtained in
the past through other methods of estimation like the electricity or the currency demand
approach. The MIMIC model equations can be stated as:
y kg e 1
g cVx f 2
where y is a column vector ofdp
Tindicators of the latent variable, g, and x is a column vector of
the dqT bcausesQ ofg. In other words, Eq. (1) is the measurement model forg and Eq. (2) is the
structural equation for the latent variable, g. e is a (px1) measurement error while f is the scalar
structural error. It is assumed that f and all the elements of e are mutually uncorrelated, with
var(f) =w, and cov(e) =He. Substituting (2) into (1), the MIMIC model can be expressed as a p-
equation multivariate regression model:
y Pxz 3
where P =kgV, z=kf+ e, and cov(z) =kkVw+He.
The p-equation model in (3) seems to have a regression matrix of rank equal to one and an
error covariance matrix that is similarly constrained. The first condition is typical insimultaneous equation models where the removal of a few exogenous variables from the
structural equation might cause a part of the reduced form coefficient matrix to be short-ranked.
The singularity property of the error covariance matrix develops because for the measurement
model to be estimated it has to be normalized first. This implies that the estimation of (1) and (2)
can be carried only after (1) is normalized by setting one element ofk to a pre-assigned value.
We estimate the model using the Maximum Likelihood Estimation procedure.
We use the following combinations of the causes and indicators to arrive at different hidden
economy estimates. For the indicators, we use the growth in real net state domestic product of
the Indian states (Grsdp)6 and the total number of employees (sum of productive and non-
productive workers) in registered manufacturing industries adjusted by the total number offactories in a state (Temp). For the causal variables, we have included the following: capital
account developmental expenditure (Capdev), capital account non-developmental expenditure
(Cqndev), states own tax revenue (Otr), states own non-tax revenue (Ontr), states current
account developmental expenditure (Curdev), and states current account non-developmental
expenditure (Curndev). All the expenditures and tax variables are expressed as a proportion of
states net domestic product.
The total revenue of a state government consists of two components: total tax revenue,
and total non-tax revenue. A state governments total tax revenue is, in turn, decomposed
into two parts: its share in the tax revenue of the central government and revenue raised
6 We have also tried using the growth in per capita real net state domestic product instead of growth in real net state
domestic product. Our results in terms of the size of the hidden economy remain almost the same. The results are
available on request.
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through state taxes. State taxes are mainly indirect in natures.7 A state governments non-tax
revenue derives from two sources: grants from the central government, and own non-tax
revenue. The interest receipts from loans issued by the state government, dividends and profits
from public sector undertakings owned by the state government, and revenues from statelotteries are the major constituents of the non-tax revenue. In this paper, we use the own tax
revenue and own non-tax revenue components of total revenue. The total expenditures incurred
by state governments are on either the current account or the capital account. Current account
expenditure is of three types: developmental spending, non-developmental spending and grants
to local governments. Developmental current account spending mainly meets the need to
maintain the existing assets mainly in terms of economic services (inclusive of expenditure on
agriculture, industry, power and irrigation, transport and communications) and social services
(inclusive of education, health and family welfare, planned expenditure on social security),
where as non-developmental part consists of interest payments on past debts, expenditure on
fiscal and administrative services, pension and retirement benefits, non-planned expenditure onsocial security and welfare and food subsidy. Capital account expenditure consists of two parts:
development and non-developmental where the former mainly concentrates on creation of
physical assets. Non-developmental part of the capital expenditure is mainly used for repayments
for loans to central governments and discharge of internal debt.
As stated earlier, the MIMIC model can only yield a time-series index for the latent variables
(the underground economy). However, it can only give an index for a time-series. Therefore, we
need to convert this ordinal index into a cardinal series of values of hidden economy sizes by
scaling up the ordinal values to some cardinal value obtained in the past through other methods
of estimation like the electricity or the currency demand approach and using values from it to
calibrate the ordinal series obtained by the MIMIC approach. Here we have adopted this option.We have used Bhattacharyyas (1999) hidden economy estimate for India, of 22.5% for 1989
90, to scale up our ordinal hidden economy series to arrive at the complete cardinal underground
economy sizes for different states for India.
Given the above estimates, in the next stage, we have tried to explain whether the civic
institutions like media, political institutions or characteristics of the state governments affect the
growth in the size of the hidden economy estimates (git). The regression equation for this model
takes the standard panel data form:
git ai ki qlog Hit1 lti beit dfit gsit /wit upit wlitit lprimaryit hrurit uit 5
where ai is a state fixed effect and kt is a time-dummy controlling for aggregate shock. The
term, Hit1 is the lagged size of the hidden economy. We have allowed for the state-specific
trend (ti) in our estimation. The variable fit variable represents the government characteristics
in terms of coalition measuring the proportion of year dtT where a coalition government is in
power with more than one pivotal party. We call this variable as Coalition government. The
variable eit represents an election year dummy taking the value of one if a scheduled election
is held in the second half of financial year t or in the first half of the next financial year in
state i. We have also included two other variables (sit and wit) in the above equation. The firstone captures the extent of political affiliation between the governments at the center and the
7 On an average, this amounts to around 8788% of total state tax revenue.
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state. Specifically, this is a dummy variable that takes the value of 1(0) if the government in
state s is politically affiliated with the central government for more (less) than 6 months
during financial year t. The second one tries to capture the difference between a left-wing state
government (that is, a government headed by a communist party) and all other governmenttypes. The variable wit measures the proportion of financial year t during which the
government of state i was a left-wing government. We have also introduced two other
variables in Eq. (5): namely the proportion of rural population (Rur), and contribution of
primary sector (primary) (agriculture and allied services) in total net state domestic product. The
variable denoted by pit refers to the growth in per capita total newspaper circulation while lit
refers to the growth in literacy rates.
In Eq. (5), the error term uit is modeled as an AR(1) process where we allow state-specific
degree of autocorrelation. Estimation of Eq. (5) via generalized least squares also permits us for
a heteroskedastic error structure with each state having its own variance.8
4. Empirical results
4.1. Data
The data set for our study consists of annual observations from 197475 to 199596
covering the 14 major states of India. The fourteen major Indian states are: Andhra Pradesh,
Bihar, Gujarat, Haryana, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Orissa, Punjab,
Rajasthan, Tamil Nadu, Uttar Pradesh and West Bengal. The variables that we consider
partition into two major categories: (1) data on the indicator variables (Grsdp and Temp)
and (2) data on cause variables. The real net state domestic product is obtained fromvarious issues of the National Accounts Statistics (Government of India, Ministry of
Planning, Department of Statistics), published by the Central Statistical Organization of the
Government of India. The employment data for the registered manufacturing industries were
complied from various issues of the Annual Survey of Indian Industries, Ministry of
Statistics and Program Implementation, Government of India. The data on cause variables
such as tax and expenditure variables of state governments were collected from various
volumes of the Reserve Bank of India Bulletin, published by the Central bank of India.
State demographic characteristic like the contribution of the primary sector is constructed
using the National Accounts Statistics. The literacy rates are collected from Census of India
and the National Sample Survey rounds (both published by the Government of India). Forsome years, state literacy rate data were not available from either the Census of India or the
National Sample Survey rounds. For these years, we have interpolated the data using a simple
growth rate formula. We obtain the per capita newspaper circulation figures from Press in
India (published by the Ministry of Information and Broadcasting). We have also experiment
with total vernacular language newspaper circulation, total English newspaper circulation, total
second language newspaper circulation and total other language newspaper circulation. All
these come from Press in India. Our data on political variables comes from multiple sources.
First, the dates of all state legislative assembly elections were taken from the book India
Decides (Butler et al., 1996) and from the official website of Election Commission of India.9
8 Besley and Burgess (2000) have also followed this kind of estimation strategy.9 http://www.eci.gov.in.
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Thereafter, for each state-year combination, the bnatureQ of the state government (coalition,
political affiliation and ideology) was determined. We have collected this information from the
publication Encyclopedia of India and Her States (Grover and Arora, 1998).
4.2. Results
This section is divided in two parts: Section 4.2.1 reports the results for the MIMIC model
where as the results from the estimation of Eq. (5) is reported in Section 4.2.2.
Table 1
MIMIC model results
Variables State of
Andhra Pradesh Kerala Maharashtra West Bengal
IndicatorsGrsdp 0.04 (0.25) 0.47 (2.10)* 0.13 ( 0.51) 0.20 (0.62)
Annual growth of real net state
domestic product of Indian states
Temp 1.00 1.00 1.00 1.00
Total number of employees in
registered manufacturing industries
adjusted by total number of
factories in a state
Causes
Capdev 0.44 (3.82)*** 0.03 (0.32) 0.03 (0.23) 0.10 (0.68)
Capital account developed mental
expenditures in percent of states
net domestic product
Capndev 0.25 ( 2.07)* 0.05 (0.46) 0.02 (0.06) 0.18 (0.62)Capital account non developed
mental expenditures in percent
of states net domestic product
Otr 0.13 ( 0.60) 0.88 (3.52)*** 0.60 ( 1.80)* 0.42 (1.12)States own tax revenue in percent
of states net domestic product
Ontr 0.15 ( 1.24) 0.35 (3.44)*** 0.22 (0.75) 0.10 (0.34)
States own non tax revenue in percent of states net domestic
product
Curdev 0.20 ( 0.79) 0.20 (1.21) 0.16 ( 0.35) 0.78 (2.68)**States current account
development expenditure in
percent of states net
domestic product
Curndev 0.43 ( 3.56) *** 0.31 (1.19) 0.17 ( 0.86) 0.69 (1.79)*States current account non
development expenditure in
percent of states net
domestic product
t-Statistics are reported in parenthesis.
* Denotes significance at 10% level.
** Denotes significance at 5% level.
*** Denotes significance at 1% level.
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4.2.1. The MIMIC models estimates of the hidden economy of Indian states
In this sub-section, we present the hidden economy estimates of the Indian states. We have
estimated the MIMIC model separately for individual states.10 For an illustrative purpose,
however in Table 1 we present the results for four states, namely, Andhra Pradesh, Kerala,
Maharashtra and West Bengal. Our results clearly indicate the following: although the causal
variables enter in general with expected signs, however, many of them lack individual
significance. Table 2 reports the diagnostic statistics for the estimated model. Small values ofroot mean square residual (RMR) where as large values of the adjusted goodness of fit index
(AGFI), and the parsimony goodness of fit index (PGFI), reflect a good model fit. In almost all
the models, the diagnostic statistics give a satisfactory result in terms of model fit. In Table 3, we
present the results for the size of the underground economy of Indian states for four samples:
1974/751980/81, 1981/821985/86, 1986/871991/92 and 1992/931995/96. Table 3 depicts
some interesting pictures: for the entire period, state of Haryana has the lowest size of
underground economy followed closely by the southern state of Tamil Nadu while that of Bihar
is the highest. The southern states namely, Andhra Pradesh, Karnataka, Kerala and Tamil Nadu
represent lower underground economy in comparison with other states of India. Three of five
BIMARU11 states have an average size of under-ground economy that is larger than that of all-14 average. States like Haryana, Orissa, Punjab, Rajasthan, Uttar Pradesh and West Bengal show
a considerable size of the hidden economy in the post-liberalization era (1992/931995/96)
compared to the entire period.
In Fig. 1, we also provide a diagrammatic exposition of the average size of the hidden
economy for fourteen major states along with that of all-India.12 In this figure, the column all-14
represents a simple average for the fourteen major states. For the sample period, the hidden
economy for all-India stands at 20.35% of GDP. The size of the hidden economy has increased
10 Although we do not provide the estimates for each one of them, the results, however, are available for the authors on
request.11 The BIMARU states are Bihar, Madhya Pradesh, Orissa, Rajasthan, and Uttar Pradesh.12 For the estimation of the hidden economy at the all-India level, please see Chattopadhyay et al. (2003).
Table 2
Diagnostic statistics of the estimated MIMIC model
State Root mean square
residual (RMR)
Adjusted goodness of
fit index (AGFI)
Parsimony goodness
of fit index (PGFI)
Andhra Pradesh 0.046 0.66 0.13
Bihar 0.110 0.53 0.13
Gujarat 0.051 0.87 0.14
Haryana 0.087 0.37 0.13
Karnataka 0.050 0.80 0.14
Kerala 0.074 0.23 0.12
Madhya Pradesh 0.150 0.26 0.12
Maharashtra 0.100 0.61 0.13
Orissa 0.046 0.63 0.13
Punjab 0.020 0.91 0.14
Rajasthan 0.040 0.92 0.14
Tamil Nadu 0.070 0.27 0.12Uttar Pradesh 0.092 0.26 0.12
West Bengal 0.066 0.37 0.12
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from 15.39% (1974/75) to 2321% (1995/96). States as Bihar, Gujarat, Madhya Pradesh,
Maharashtra, Punjab, and Rajasthan had experienced a higher size on an average compared to
all-India figure.
A comparison of the estimated size of the hidden economy for the all-India along with someother Asian countries (reported in Appendix A)13 reveals that Thailand has by far, for the year
1994/95, the biggest shadow economy with 48.3% of the official GDP, followed by the
Philippines with 38.4% and Sri Lanka with 35.3%. In the middle field is Taiwan with 17.4%,
India with 20.3% and South Korea with 22.4%. At the lower end is China with 10.2%, Japan
with 10.6% and Singapore with 11.2% of the bofficialQ GDP.
In order to get a better understanding, we also calculate the growth rate of the underground
economy for the pre-liberalization (1975/761991/92) and post-liberalization (1992/931995/
96) for Indian states and report the results in Table 4. In the post-liberalization era, the growth in
the size of the underground is lower is most states except Haryana, Kerala, Rajasthan and West
Bengal. The state of Rajasthan had the highest average growth rate in the post-liberalization period whereas Andhra Pradesh had the lowest one. In the pre-liberalization era, Kerala
experienced the lowest average growth rate where as that of Orissa was the highest.
4.2.2. Explaining the size of the hidden economy of Indian states
In order to explain the size of the hidden economy, we ran the regression as given in Eq. (5).
The result is reported in Table 5. Column 1 of Table 5 presents the regression results where we
just used the political variables, namely the scheduled election, the coalition government, the
match dummy, ideology of the government and the liberalization dummy. The lagged value of
Table 3
Size of the hidden economy for states of India as a percent of measured net state domestic product
State Time period
1974/751980/81 1981/821986/87 1987/881991/92 1992/931995/96 1974/751995/96
Mean S.D. Mean S.D. Mean S.D. Mean S.D. Mean S.D.
Andhra Pradesh 14.437 2.357 20.235 3.198 22.177 0.711 18.724 2.399 18.557 3.811
Bihar 22.642 2.847 26.623 4.586 25.954 2.520 27.422 1.731 25.350 3.573
Gujarat 16.278 2.574 20.957 2.589 25.160 4.481 21.011 1.493 20.433 4.341
Haryana 9.308 2.664 15.937 2.397 21.114 1.014 28.400 4.836 17.148 7.503
Karnataka 16.419 3.537 22.150 3.363 22.965 1.809 19.739 1.063 20.073 3.840
Kerala 15.638 1.958 19.917 2.563 21.788 0.812 22.531 1.236 19.456 3.319
Madhya Pradesh 22.071 6.700 25.687 1.744 24.708 2.997 23.038 2.630 23.832 4.309
Maharashtra 17.047 1.168 22.284 1.566 23.181 0.838 23.392 1.881 21.023 3.084
Orissa 9.971 2.825 15.107 4.865 24.019 2.474 29.715 1.490 18.154 8.247
Punjab 15.286 1.806 20.419 1.760 24.808 1.694 27.598 0.714 21.088 5.001Rajasthan 17.003 3.823 19.862 3.425 24.586 2.800 31.584 6.052 22.157 6.510
Tamil Nadu 15.839 1.526 21.430 1.086 23.119 2.489 22.268 1.604 20.187 3.479
Uttar Pradesh 11.285 1.047 14.395 1.884 21.625 1.941 27.016 1.531 17.343 6.254
West Bengal 16.907 2.428 16.012 3.951 22.103 2.517 29.812 3.232 20.190 5.931
Average (all 14) 15.724 4.628 20.041 4.552 23.379 2.545 25.161 4.642 20.357 5.555
India 17.060 1.128 20.377 0.926 22.475 0.428 23.399 0.310 20.348 2.659
13 The calculation of the shadow economy for China is very difficult and the values may be questioned because only a
part of China has so far been developed into a market economy. A great part of China still belongs to a planed economy
and due to this mix of systems, the calculated figures may not be very reliable.
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the hidden economy is negative and significant implying the evidence of convergence. Our
results show that the growth in the size of the hidden economy is approximately 5% less in
scheduled election years than in all other years. The coefficient associated with the Coalition
Government is negative and statistically significant. The estimates reveal that the growth in the
size of the hidden economy is around 3% less if the coalition is in power compared to a single-
party government. The trend term is significant implying that the hidden economy is growing for
the Indian states significantly. We also obtain the fact that the state where the left-wing
government (Ideology) is in power the growth in the size of the hidden economy is less. The
liberalization of the Indian economy that took place in 1991/92 also exerts a negative significant
impact.In order to examine the robustness of the results reported in Column 1, in column 2, we
introduced the following variable as a determinant of the growth in the Indian economy: the
contribution of the primary sector (agriculture and allied services) in net state domestic product
and proportion of rural population as control variables. Our results in terms of the political
0
5
10
15
20
25
30
Andh
raPra
desh
Bihar
Gujar
at
Harya
na
Karna
takaKe
rala
Madh
yaPrad
esh
Mahar
ashtra
Oriss
aPu
njab
Rajas
than
Tami
lNadu
Uttar
Prad
esh
WestBe
ngal
All-
14Ind
ia
State
In%o
fOfficialSDP(GDP)
Fig. 1. Average size (1974/751995/96) of the hidden economy of 14 Indian states.
Table 4
Growth in size of the hidden economy for states of India
State Pre-liberalization (1975/761991/92) Post-liberalization (1992/931995/96)
Mean S.D. Mean S.D.
Andhra Pradesh 0.049 0.099 0.067 0.059Bihar 0.046 0.199 0.014 0.070Gujarat 0.047 0.202 0.068 0.139Haryana 0.079 0.313 0.122 0.123
Karnataka 0.056 0.156 0.040 0.075Kerala 0.025 0.094 0.036 0.027
Madhya Pradesh 0.047 0.185 0.007 0.186
Maharashtra 0.026 0.054 0.018 0.101
Orissa 0.163 0.508 0.019 0.059
Punjab 0.045 0.097 0.013 0.014
Rajasthan 0.049 0.202 0.117 0.105
Tamil Nadu 0.041 0.078 0.051 0.077Uttar Pradesh 0.058 0.076 0.056 0.067
West Bengal 0.056 0.259 0.090 0.085
All 14 0.056 0.211 0.017 0.103
India 0.024 0.010 0.016 0.027
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Table 5
Regression results: growth in the size of the hidden economy
(1) (2) (3)
Lagged value of hidden economy 0.480 ( 10.1 l)*** 0.504 (11.40)*** 0.49Scheduled election dummy 0.052 ( 4.72)*** 0.049 (5.87)*** 0.04Trend 0.016 (6.13)*** 0.009 (3.36)*** 0.009
Coalition government 0.028 ( 2.61)*** 0.031 (3.60)*** 0.02Match dummy 0.004 (0.43) 0.016 (2.13)** 0.016
Ideology 0.024 ( 0.92) 0.054 (2.34)** 0.06Liberalization dummy 0.038 ( 2.94)*** 0.023 (1.99)** 0.02Contribution of the primary sector 1.072 (7.13)*** 1.03
Proportion of rural population 0.443 (0.93) 0.584
Growth in per capita total newspaper circulation 0.03Growth in per capita vernacular newspaper circulation
Growth in literacy rates 0.81Constant 1.328 (10.58)*** 1.561 (4.16)*** 1.443
State dummies Yes Yes Yes
Year dummies Yes Yes Yes
Observations 294 294 294
Numbers in parentheses are the calculated Z-statistics.*Denotes significance at 10% level. **Denotes significance at 5% level. ***Denotes significance at 1% level.
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variable (the election dummy, coalition government, match dummy and ideology of the
government) remain the same except the fact that both the match dummy and ideology becomes
significant. Our result infers that state that has the same political party in power as in the Center
is less active in terms of curbing the growth in the size of the hidden economy. We also note thatan increase in the contribution of the primary sector significantly reduces the growth in the size
of the hidden economy.
Next, we try to focus on the role of print-media. In column 3 Table 5 we have introduced both
the growth in literacy rates and that in per capita total newspaper circulation. The reported results
document that both the variables yield the expected negative sign, although the effect is
significant only in case of growth in per capita total newspaper circulation. This shows that state
governments are more responsive to reduce the size of the hidden economy in those states where
newspaper circulation is higher. In column (4) of Table 5, we have used growth in per capita
newspaper circulation published in vernacular language instead of per capita total newspaper
circulation. The coefficient associated with the variable is negative, although not significant. Ourresults almost remain the same with respect to other variables.
We have used the scheduled election years only. However, if the regressions are re-estimated
without differentiating between scheduled and mid-term elections, our reported results in Table 5
remains the same with the election variable enters with a negative and significant coefficient.
Second, the effects of government fragmentation are robust and do not depend on how the
election year dummy is coded. Third, the coefficient associated with the match dummy variable
remains unaltered.14 However, the ideology variable loses its significance.
Given these results, we ran another regression where we include the mid-term election as a
separate variable along with the scheduled election to differentiate the impact of these two
different types of elections. Here we obtain that both the scheduled and the mid-term electionenters with negative significant coefficient.15 A test for the difference in estimated coefficients
associated with these two variables reveals significant difference in the estimated coefficients at
the 10 percent level. The results in terms of the other variable remain qualitatively the same.16
In sum, we can infer that the growth in the size of the hidden economy is significantly lower
in election years than all other years. A state where the coalition government is in power also
experiences lower increase in the growth compared to single-party governments. Our results also
provide some weak evidence that an increased growth in literacy rates and newspaper circulation
results in a lower growth rate in the size of the hidden economy. We also document that
increased competition in terms of liberalization of the Indian economy in 1991 also helps to
reduce the growth in the size of the underground economy.
5. Conclusion
This paper tries to estimate the size of the hidden economy using state level data from India
over the period 1974/75 to 1995/96. We have used a MIMIC model. The estimates from the
MIMIC model demonstrate the varying size of the hidden economy in Indian states. On an
average, the size has grown from 13.1% to 26.3%.
14 The coefficient is 0.041 with a p-value of 0.000.15 The coefficient associated with the scheduled election is 0.048 and that of mid-term election is 0.028. The test for
the difference in the estimated coefficients associated with these two variables yields a test statistic of 2.79 distributed as
v2 with one degree of freedom. This is significant at the 10% level.16 The detailed results are available on request.
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We have also shown that an increased growth of per capita newspaper circulation helps
to curb the growth in the size of the shadow economy activities in the economy. This focuses
on the importance of free and independent regional presses as key factors for proper
functioning of the democracy. Our result also demonstrates that the state governments areactive during the election to provide a cleaner picture of the economy. Elections act as an
incentive for politicians to perform. The growth in the size of the hidden economy is lower if
the coalition government is in power. Our result also provides evidence in favor of
liberalization of the Indian economy in order to reduce the growth in the size of the hidden
economy.
Appendix A
Size of the hidden economy for some Asian countries (percent of official GDP in 1994/95)
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